1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher2; 18 19 import java.io.IOException; 20 import java.util.ArrayList; 21 22 import com.android.launcher.R; 23 24 import android.app.WallpaperManager; 25 import android.content.BroadcastReceiver; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.res.Resources; 29 30 /** 31 * Takes care of setting initial wallpaper for a user, by selecting the 32 * first wallpaper that is not in use by another user. 33 */ 34 public class UserInitializeReceiver extends BroadcastReceiver { 35 @Override 36 public void onReceive(Context context, Intent intent) { 37 final Resources resources = context.getResources(); 38 // Context.getPackageName() may return the "original" package name, 39 // com.android.launcher2; Resources needs the real package name, 40 // com.android.launcher. So we ask Resources for what it thinks the 41 // package name should be. 42 final String packageName = resources.getResourcePackageName(R.array.wallpapers); 43 ArrayList<Integer> list = new ArrayList<Integer>(); 44 addWallpapers(resources, packageName, R.array.wallpapers, list); 45 addWallpapers(resources, packageName, R.array.extra_wallpapers, list); 46 WallpaperManager wpm = (WallpaperManager) context.getSystemService( 47 Context.WALLPAPER_SERVICE); 48 for (int i=1; i<list.size(); i++) { 49 int resid = list.get(i); 50 if (!wpm.hasResourceWallpaper(resid)) { 51 try { 52 wpm.setResource(resid); 53 } catch (IOException e) { 54 } 55 return; 56 } 57 } 58 } 59 60 private void addWallpapers(Resources resources, String packageName, int resid, 61 ArrayList<Integer> outList) { 62 final String[] extras = resources.getStringArray(resid); 63 for (String extra : extras) { 64 int res = resources.getIdentifier(extra, "drawable", packageName); 65 if (res != 0) { 66 outList.add(res); 67 } 68 } 69 } 70 } 71